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MEDIA KOMUNIKASI TEKNIK SIPIL

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Published by Universitas Diponegoro

ISSN : 08541809 EISSN : 25496778 DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

Media Komunikasi Teknik Sipil (ISSN 0854-1809) published twice in a year, in July and December. The article can be product of researches, scientific thoughts or case study, in civil engineering and isnâ€™t formed by politics, commercialism, and subjectivity unsure. This scientific journal contains articles of thought and research results in Civil Engineering that have never been published in scientific journals or other media.

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Articles 14 Documents

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Search results for , issue "Volume 25, Nomor 1, JULI 2019" : 14 Documents clear

Kajian Pemilihan Koefisien Situs pada Perhitungan Spektra Percepatan Gerakan Tanah di Permukaan Partono, Windu; Irsyam, Masyhur; Sengara, I Wayan; Asrurifak, Muhammad
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

SNI 1726:2012 states that surface spectral accelerations SMS (0.2 second) and SM1 (1 second) can be calculated by multiplying site factors Fa (0.2 second) and Fv (1 second) with spectral accelerations SS (0.2 second) dan S1 (1 second). All site factors used by SNI 1726:2012 are adopted from ASCE/SEI 7-10.Â In 2013 Stewart and Seyhan proposed new and different site factors compared to ASCE/SEI 7-10. These site factors are then used for developing ASCE/SEI 7-16 with minor improvement for site class SE (soft soil). ASCE/SEI 7-16 states that the site factors for site class SE with SS greater than 1g or S1 greater than 0.2g, shall be calculated using Site Specific Analysis (SSA). The SSA method used for calculating site factor is difficult for ASCE/SEI 7-16 to be implemented in Indonesia. This paper describes the result of SMS and SM1 study at five cities (Jakarta, Bandung, Semarang, Yogyakarta and Surabaya) for site class SC, SD and SE using site factors proposed by Stewart and Seyhan and site factor SNI 1726:2012. The SMS and SM1 at five cities calculated using site factors proposed by Stewart and Seyhan are Â±15% differences compared to SMS and SM1 calculated usingSNI 1726:2012 site factors.

Evaluasi Kinerja Seismik Rangka Beton Pemikul Momen Khusus dengan PERFORM-3D Utomo, Junaedi; Ekaputri, Januarti Jaya; Antonius, Antonius; Lie, Han Ay
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Seismic performance of reinforced concrete frame Buildings which have been designed as Special Moment Resisting Frames in accordance to three Indonesian codes (SNI 1727-2013, SNI 1726-2012 and SNI 2847-2013) can be evaluated using nonlinear dynamic analysis. Criteria related to strength such as component plastic rotation capacity, lateral displacement as well as criteria related to damage of elements in the structures were used to evaluate the seismic performance of the buildings. Assessment to the moment and curvature capacities of the cross sections of beams and columns were done using XTRACT. The global seismic performance of the structures depends on the seismic performance of components in the structures. In nonlinear model of the structures, the degrading strength of the components were modeled to take into account the gradual reduction of the contributed components to the resistance of the structures. PERFORM-3D is one of the software that can be used to generate nonlinear model of structures. Seismic performance level of structures can be obtained from the results of the nonlinear dynamic analysis using PERFORM-3D. The Seismic performance level can be utilized for: (1) detecting any weaker part in the structures, and (2) evaluating the improved design of the structures for enhancing the seismic performance of structures.

Kajian Penentuan Tarif Bus Trans Koetaradja berdasarkan Ability to Pay (ATP) dan Willingness to Pay (WTP) Anggraini, Renni; Sugiarto, Sugiarto; Caisarina, Irin; Ahlan, Muhammad; Rahmani, Dhuyufur; Jalil, Erlinawati
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Trans Koetaradja bus is managed by the government of Aceh Province to improve the urban public transport system. In order to appeal people to use this bus, the local government provides subsidy and applies the free fare, until today. It is expected that, when the subsidy is revoked in a few years ahead, people will get accustomed to use this bus. This research was conducted to observe public perceptions on the desired fare through ability to pay (ATP) and willingness to pay (WTP) analysis. Primary data was collected by doing survey over distributing questionnaires to the citizen. The bus corridors observed were on corridors I, III, and IV. The results showed that, the ATP-WTP of students were above the operatorâ€™s proposed tariff for all corridors. However, to attract those students to use the bus, it is recommended that the operator's proposed tariff (IDR 2,000 for each corridor) should be applied. For the general public category (PNS/TNI/Polri, Private Employees, Housewives, and other communities), the proposed tariff for each corridors were in between the average value of ATP-WTP. In that sense, tariff determination can be applied based on the average WTP value. However, the operator's proposed tariff for the public is still also feasible, subject to improving the level of services.

Erratum / Corrigendum / Retraction MKTS, Editorial
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v25i1.24402

RETRACTION TO:Priyonggo, K., 2004. Investigate Buckling Loads of Columns of Regular Polygon Cross-Section with Constant Volume and Clamped Ends.Â MEDIA KOMUNIKASI TEKNIK SIPIL, [Online] Volume 12(2), pp. 23-30.Â https://doi.org/10.14710/mkts.v12i2.2678Priyonggo, K., 2005.Â Improvement of Road Network Reliability under Different Route Choice Principles.Â MEDIA KOMUNIKASI TEKNIK SIPIL, [Online] Volume 13(1), pp. 16-19.https://doi.org/10.14710/mkts.v13i1.3892Â Leksono, B. T., 2006. A Parametric Study of an Offshore Concrete Pile under Combined Loading Conditions using Finite Element Method.Â MEDIA KOMUNIKASI TEKNIK SIPIL, [Online] Volume 14(2), pp. 156-168.Â https://doi.org/10.14710/mkts.v14i2.3943These articles have been retracted by Publisher based on publication misconduct by the author.

Analisis Story Drift dan Kondisi Sendi Plastis Berbasis Performa pada Gedung Bertingkat dengan Konfigurasi Struktur Persegi Panjang, U, L, H, dan T Rahmantyo, Aji; Andayani, Relly
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Strength based design is commonly used in the design of resisting earthquake building. It is analyzed by linear elastic method so that it canâ€™t describe the seismic behaviour of the structures. For that reason, the design of structure needs to consider performance based design. Irregularity of structure play important role for the results of Structure Performance. This paper uses five models of 20 storey reinforced concrete building with same height(76 m) and areas(750m2) with different plan configurations: rectangular, T, L, U, and H-shaped. Non linear time history method is usedÂ to investigate the seismic behaviour of the structures, using finite model with ETABS2016. Dimension of structures are column (600 x1000 mm), shear wall (400mm), couple-beam (400x900 mm), slab (140mm). Recorded accelorogram used in this paper are Altadena, Array, Corralit, LACC, and Yermo because it has almost same earthquake mechanism, magnitude, and epicentrum distance, so that they are used as an artificial accelorogram that is synthesized using Wavelet Function according to SNI 1726-2012.Result shows that the story drift and plastic hinges for collapse prevention (CP) are: rectangular (story drift is 0.59% and amount of CP hinges are 8), H-shaped (1.58%/23), L-shaped (2.41%/30), U-shaped (4.59%/35), T-shaped (5.8%/58).

Respons Dinamik Pelat Beton Akibat Beban Kendaraan yang Bergerak dengan Kecepatan Konstan Liucius, Yenny Untari; Alisjahbana, Sofia W
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

This analysis studies about the dynamic response of isotropic slab with the semi rigid type of edge conditions which is solved by the Modified Bolotin Method. The dynamic response mostly depends on the characteristics of the slab and the velocity of the transverse load acting on the slab. This analysis uses 10 km/h, 20 km/h, and 30 km/h as the velocity of the transverse load, and 110 km/h as the comparing velocity. Results show that maximum dynamic responses for each velocity does not always occur on the center of the slab, so the characteristics of the slab may be vary. The dynamic response is closest to maximum when the velocity of the load is 110 km/h because it is closer to the critical velocity of the system which is 112 km/h. This analysis assumed the slab is used for the busâ€™ parking ramp. Thus with the 10 km/h until 30 km/h velocity assumption for parking ramp is still quite safe because the velocity is far below the critical velocity of the system. Also the dynamic response of the system is far lower than the maximum response of slab.

Perilaku Runtuh Balok Beton Bertulang dengan Sengkang Welded Wire Fabric (WWF) Sudarsana, I Ketut; Deskarta, Putu; Sanjaya, Putu Chandra Wira
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

The use of Welded Wire fabric (WWF) has been widely tested and proven to behave very well as stirrups in a column, but its behavior has not been widely known when used on beams. This research was conducted to evaluate the behavior of beams with stirrup reinforcement of WWF M4 grid. A total of nine beam specimens with dimensions of 330mm x 180mm x 1500mm were made and tested under monotonic loading until failure loads with three variations of stirrup, where each variation was made of three beam specimens and four concrete cylinders. The concrete was a ready mix concrete with an average compressive strength of 22,875 kN at 28 days. Beams were tested on simply supported with two concentrated loads at a distance of 500 mm from each support. The loads was applied incrementally and the middle span deflections were recorded for each increase in loads. The test results show that the stirrups of WWF M4 grid on beam specimens can increase the shear capacity, stiffness and control the occurrence of the first inclined crack. When compared to conventional stirrups (BJTP âˆ… 6mm), beams with WWF M4 stirrups show better behavior.

Analisis Perkuatan Timbunan Di Atas Tanah Lunak Menggunakan Dinding Turap dengan Pendekatan Model Numerik Hamdhan, Indra Noer; Iskandar, Fauziah Fitriani
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Embankment on soft clay may be affect settlement at subgrade, causing lateral deformation and vertical deformation around embankment. Therefore, reinforcement is needed to overcome the effects caused of the embankment. This research was conducted to find out the influence of sheet pile wall of embankment using PLAXIS 2D program based the finite element method. The analysis was done by varying of two condition, they are installation of sheet pile wall under the embankment and the sheet pile wall outside embankment. Sheet pile wall installation is carried out before embankment construction and length of sheet pile wall in this model is 15 m. The soil layers beneath the embankment consist of 10 m layer of soft clay layer and 5 m of sand layer. The height of embankment in this analysis is 8 m, where the constructing of the embankment was done in stages. The distance of sheet pile wall position under embankment from toe of embankment are -9 m, -6 m, -3 m, 0 m, 3 m dan 6 m. The results of analysis show the effective position for displacement are toe of embankment. The Installation of sheet pile walls below the embankment will reducing deformation up to 78% and the safety factor will increase up to 10%.

Model Pertumbuhan Sepeda Motor Berdasarkan Produk Dosmetik Regional Bruto (PRDB) Perkapita (Studi Kasus Pulau Jawa) Kresnanto, Nindyo Cahyo
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

The number and growth of vehicles, is a separate issue associated with sustainable transportation. In 2014, recorded vehicle election in Indonesia reached more than 448 vehicles per 1,000 people. And specifically, for motorcycles reach 365 vehicles per 1,000 people. The growth of motor vehicles is significantly influenced by economic growth (measured by Gross Domestic Product - RGDP). When compared with motor vehicle growth, it can be concluded that the high growth rate of motor vehicles at the end of this decade actually impact on the decrease of RGDP. To see the trend between economic growth represented by RGDP and the growth of motor vehicle (motorcycle) needs a model. Motor vehicle growth model in Java can be approached with Gompertz function. This function is a negative exponential function with asymptote used is the highest value of motor vehicle ownership in DKI Jakarta Province is 1,299 motorcycles per 1,000 people.

Analisis Numerik Perilaku Rangka Beton Bertulang dengan Dinding Pengisi Budiwati, Ida Ayu Made; Dharma Giri, Ida Bagus
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

The behavior of reinforced concrete frame with infill wall (RDP) has been studied numerically by modeling the RDP structure using the LUSAS software. The results were compared to other researchersâ€™ results that conducted laboratory test and used SAP programs. The results of analysis using SAP show that the proposed model that subjected to load up to the maximum limit show similar behavior to the laboratory tests results in which parameters such as secant modulus for concrete and wall materials based on graphs of stress-strain relationships and a reduction in moment of inertia due to the crack of beam-column are taken into account. The model using LUSAS did not adopt this method instead applied plastic elastic material and non-linear analysis. The results of the analysis are still not in proportional to the magnitude of the laboratory test results, but the behavior of the load and deflection indicates similar form. The analysis models show the maximum stress points that occur on the wall similar to that with the pattern of failure in laboratory testing. The maximum stress occurs at the opening corner and the beam column joint corner that is in line with the results of laboratory testing.

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